ui/timeline: make notification text smaller

Signed-off-by: William Casarin <jb55@jb55.com>

crates/notedeck_columns/src/ui/timeline.rs

@@ -801,7 +801,7 @@ fn render_composite_entry(
                     );
                     let galley = ui.painter().layout_no_wrap(
                         description.clone(),
-                        NotedeckTextStyle::Body.get_font_id(ui.ctx()),
+                        NotedeckTextStyle::Small.get_font_id(ui.ctx()),
                         ui.visuals().text_color(),
                     );